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Levonorgestrel Pharmaceutical Reference Standards
delta-5(10)-8a-Levonorgestrel
Levonorgestrel Stable Isotopes
CS-O-43477

delta-5(10)-8a-Levonorgestrel

Levonorgestrel Stable Isotopes
Levonorgestrel D6
Levonorgestrel Stable Isotopes
CS-O-02978

Levonorgestrel D6

Levonorgestrel Stable Isotopes
Levonorgestrel D8
Levonorgestrel Stable Isotopes
CS-F-00031

Levonorgestrel D8

Levonorgestrel Stable Isotopes
Levonorgestrel
Levonorgestrel API Standards
CS-O-01737

Levonorgestrel

Levonorgestrel API Standards
Levonorgestrel Diacetate
Levonorgestrel API Standards
CS-F-00111

Levonorgestrel Diacetate

Levonorgestrel API Standards
Levonorgestrel Sulfate
Levonorgestrel API Standards
CS-O-43144

Levonorgestrel Sulfate

Levonorgestrel API Standards
Levonorgestrel Sulfate Sodium Salt
Levonorgestrel API Standards
CS-T-96156

Levonorgestrel Sulfate Sodium Salt

Levonorgestrel API Standards
6(7)-Dehydro Levonorgestrel Acetate
Levonorgestrel Metabolites
CS-F-00093

6(7)-Dehydro Levonorgestrel Acetate

Levonorgestrel Metabolites
Levonorgestrel-3-ethyldienol ether
Levonorgestrel Metabolites
CS-F-00091

Levonorgestrel-3-ethyldienol ether

Levonorgestrel Metabolites
(+/-) Levonorgestrel EP Impurity A
Levonorgestrel Impurities
CS-T-51784

(+/-) Levonorgestrel EP Impurity A

Levonorgestrel Impurities
(17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T)
Levonorgestrel Impurities
CS-T-74349

(17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T)

Levonorgestrel Impurities
10β - Dehydro Levonorgestrel
Levonorgestrel Impurities
CS-O-16536

10β - Dehydro Levonorgestrel

Levonorgestrel Impurities
3α, 5α tetrahydrolevonorgestrel
Levonorgestrel Impurities
CS-O-46425

3α, 5α tetrahydrolevonorgestrel

Levonorgestrel Impurities
3α, 5β-tetrahydro-levonorgestrel
Levonorgestrel Impurities
CS-P-02825

3α, 5β-tetrahydro-levonorgestrel

Levonorgestrel Impurities
5-β-Dihydrolevonorgestrel
Levonorgestrel Impurities
CS-T-53123

5-β-Dihydrolevonorgestrel

Levonorgestrel Impurities
6β - Dehydro Levonorgestrel
Levonorgestrel Impurities
CS-O-16537

6β - Dehydro Levonorgestrel

Levonorgestrel Impurities
6,7-Dehydro Levonorgestrel
Levonorgestrel Impurities
CS-O-16535

6,7-Dehydro Levonorgestrel

Levonorgestrel Impurities
6?-Hydroxy Levonorgestrel
Levonorgestrel Impurities
CS-T-79259

6?-Hydroxy Levonorgestrel

Levonorgestrel Impurities
6-Hydroxy Levonorgestrel
Levonorgestrel Impurities
CS-F-00105

6-Hydroxy Levonorgestrel

Levonorgestrel Impurities
6β-Deshydroxy-10β-hydroxylevonorgestrel
Levonorgestrel Impurities
CS-TB-14843

6β-Deshydroxy-10β-hydroxylevonorgestrel

Levonorgestrel Impurities
delta-1(10)-4,5-Dihydrolevonorgestrel
Levonorgestrel Impurities
CS-O-43851

delta-1(10)-4,5-Dihydrolevonorgestrel

Levonorgestrel Impurities
delta-1(2)-4,5-Dihydrolevonorgestrel
Levonorgestrel Impurities
CS-O-43854

delta-1(2)-4,5-Dihydrolevonorgestrel

Levonorgestrel Impurities
delta-6,8(14)-Levonorgestrel
Levonorgestrel Impurities
CS-O-43701

delta-6,8(14)-Levonorgestrel

Levonorgestrel Impurities
delta-9(11)-Levonorgestrel
Levonorgestrel Impurities
CS-O-43850

delta-9(11)-Levonorgestrel

Levonorgestrel Impurities
Levonorgestrel Acetate Delta-5 Impurity
Levonorgestrel Impurities
CS-O-43423

Levonorgestrel Acetate Delta-5 Impurity

Levonorgestrel Impurities
Levonorgestrel EP Impurity A
Levonorgestrel Impurities
CS-O-37870

Levonorgestrel EP Impurity A

Levonorgestrel Impurities
Levonorgestrel EP Impurity B
Levonorgestrel Impurities
CS-T-54486

Levonorgestrel EP Impurity B

Levonorgestrel Impurities
Levonorgestrel EP Impurity C
Levonorgestrel Impurities
CS-T-54470

Levonorgestrel EP Impurity C

Levonorgestrel Impurities
Levonorgestrel EP Impurity D
Levonorgestrel Impurities
CS-T-54441

Levonorgestrel EP Impurity D

Levonorgestrel Impurities
Levonorgestrel EP Impurity G
Levonorgestrel Impurities
CS-O-15349

Levonorgestrel EP Impurity G

Levonorgestrel Impurities
Levonorgestrel EP Impurity H
Levonorgestrel Impurities
CS-T-55950

Levonorgestrel EP Impurity H

Levonorgestrel Impurities
Levonorgestrel EP Impurity I
Levonorgestrel Impurities
CS-T-55821

Levonorgestrel EP Impurity I

Levonorgestrel Impurities
Levonorgestrel EP Impurity J
Levonorgestrel Impurities
CS-T-60033

Levonorgestrel EP Impurity J

Levonorgestrel Impurities
Levonorgestrel EP Impurity O
Levonorgestrel Impurities
CS-O-15350

Levonorgestrel EP Impurity O

Levonorgestrel Impurities
Levonorgestrel EP Impurity P
Levonorgestrel Impurities
CS-O-15352

Levonorgestrel EP Impurity P

Levonorgestrel Impurities
Levonorgestrel EP Impurity Q
Levonorgestrel Impurities
CS-ZG-35652

Levonorgestrel EP Impurity Q

Levonorgestrel Impurities
Levonorgestrel EP Impurity R
Levonorgestrel Impurities
CS-O-32358

Levonorgestrel EP Impurity R

Levonorgestrel Impurities
Levonorgestrel Glucuronide
Levonorgestrel Impurities
CS-T-94712

Levonorgestrel Glucuronide

Levonorgestrel Impurities
Levonorgestrel-3-isopropyldienol ether
Levonorgestrel Impurities
CS-O-43827

Levonorgestrel-3-isopropyldienol ether

Levonorgestrel Impurities
Levonorgestrel (1362602)
Levonorgestrel USP Standards
CS-EB-02632

Levonorgestrel (1362602)

Levonorgestrel USP Standards
Levonorgestrel (L0551000)
Levonorgestrel EP Standards
CS-EG-00701

Levonorgestrel (L0551000)

Levonorgestrel EP Standards
Levonorgestrel for system suitability 1 (Y0001431)
Levonorgestrel EP Standards
CS-EG-00654

Levonorgestrel for system suitability 1 (Y0001431)

Levonorgestrel EP Standards
Levonorgestrel for system suitability 2 (Y0001618)
Levonorgestrel EP Standards
CS-EG-00655

Levonorgestrel for system suitability 2 (Y0001618)

Levonorgestrel EP Standards
Levonorgestrel impurity B (Y0001379)
Levonorgestrel EP Standards
CS-EG-00702

Levonorgestrel impurity B (Y0001379)

Levonorgestrel EP Standards